KS4 Microbes
... Why do people become ill? People who lead very unhealthy lifestyles sometimes become ill but it is also clear that people can become ill despite leading a healthy lifestyle. Why? ...
... Why do people become ill? People who lead very unhealthy lifestyles sometimes become ill but it is also clear that people can become ill despite leading a healthy lifestyle. Why? ...
Signalling in Plant Lateral Organ Development
... organs at about the same time that each begins to express the unique combination of homeotic genes that specifies its identity (Vincent et al., 1995). Therefore, cells that have been specified as initials of one floral organ type (e.g., petal) are likely to remain within the developing primordium of ...
... organs at about the same time that each begins to express the unique combination of homeotic genes that specifies its identity (Vincent et al., 1995). Therefore, cells that have been specified as initials of one floral organ type (e.g., petal) are likely to remain within the developing primordium of ...
Simulation of Glucose Diffusion in a Cylindrical Cell
... bound protein and cellular energy(ATP). Diffusion is the process by which the collisions between molecules cause them to continually spread apart from each other. Molecules are constantly moving. They move in straight lines unless they are deflected by other molecules or obstacles in the membrane. T ...
... bound protein and cellular energy(ATP). Diffusion is the process by which the collisions between molecules cause them to continually spread apart from each other. Molecules are constantly moving. They move in straight lines unless they are deflected by other molecules or obstacles in the membrane. T ...
351 CHAPTER 21 Gram-Positive Cell Wall
... acids, plus additional carbohydrates and proteins, depending on the species. A generalized scheme illustrating the arrangement of these components is shown in Figure 21–5. The chief component is peptidoglycan, which is found nowhere except in prokaryotes. Peptidoglycan consists of a linear glycan ch ...
... acids, plus additional carbohydrates and proteins, depending on the species. A generalized scheme illustrating the arrangement of these components is shown in Figure 21–5. The chief component is peptidoglycan, which is found nowhere except in prokaryotes. Peptidoglycan consists of a linear glycan ch ...
The Relationship between Intracellular Free Iron and Cell Injury in
... 1000⫻ stock in DMSO, water, DMSO, and absolute ethanol, respectively. To reduce trace metals, 20 M EDTA was added to TBSS from a 20 mM aqueous stock at pH 7.4. Neuronal cell culture. Primary cultures of embryonic rat forebrain neurons for fluorescence experiments were prepared as described previous ...
... 1000⫻ stock in DMSO, water, DMSO, and absolute ethanol, respectively. To reduce trace metals, 20 M EDTA was added to TBSS from a 20 mM aqueous stock at pH 7.4. Neuronal cell culture. Primary cultures of embryonic rat forebrain neurons for fluorescence experiments were prepared as described previous ...
Cell surface mechanics and the control of cell shape, tissue patterns
... discovered more than 30 years ago in the Drosophila melanogaster93 wing imaginal discs (and, later, in embryos) through the observation that clones of cells would grow with wiggly borders but failed to cross an imaginary line that bisected the tissue. At compartment borders, cells become sorted and ...
... discovered more than 30 years ago in the Drosophila melanogaster93 wing imaginal discs (and, later, in embryos) through the observation that clones of cells would grow with wiggly borders but failed to cross an imaginary line that bisected the tissue. At compartment borders, cells become sorted and ...
Insulin-Resistance, Browning
... In humans, brown fat is abundant at birth but is rapidly replaced by white adipose tissue (WAT) and is relatively scarce in the adult as an identifiable tissue. Brown fat cells are interspersed within WAT of rodents and humans. Activation of BAT requires 3-adrenergic receptor agonism. ...
... In humans, brown fat is abundant at birth but is rapidly replaced by white adipose tissue (WAT) and is relatively scarce in the adult as an identifiable tissue. Brown fat cells are interspersed within WAT of rodents and humans. Activation of BAT requires 3-adrenergic receptor agonism. ...
J.B.S. Haldane
... to be a living organism. Bordet and others have taken an opposite view. It will survive heating and other insults which kill the large majority of organisms, and will multiply only in presence of living bacteria, though it can break up dead ones. Except perhaps in presence of bacteria, it does not u ...
... to be a living organism. Bordet and others have taken an opposite view. It will survive heating and other insults which kill the large majority of organisms, and will multiply only in presence of living bacteria, though it can break up dead ones. Except perhaps in presence of bacteria, it does not u ...
Nucleolar targeting of BN46/51 - Journal of Cell Science
... ribosomes are assembled and from which they exit the nucleus (reviewed by Hadjiolov, 1985). BN46/51 is also restricted to the GC-like cortex of nucleolus-like particles (NLPs) which assemble in vitro from extracts of Naegleria nucleoli (Trimbur and Walsh, 1993). Thus BN46/51 is specifically targeted ...
... ribosomes are assembled and from which they exit the nucleus (reviewed by Hadjiolov, 1985). BN46/51 is also restricted to the GC-like cortex of nucleolus-like particles (NLPs) which assemble in vitro from extracts of Naegleria nucleoli (Trimbur and Walsh, 1993). Thus BN46/51 is specifically targeted ...
Cytoskeletal control of plant cell shape: getting the fine points
... the proper organization of microtubules in expanding cells. The Arabidopsis MICROTUBULE ORGANIZATION1 (MOR1) gene encodes a protein that is homologous to structural microtubule-associated proteins (MAPs) of the highly conserved MAP215 class [9]. Shifting temperaturesensitive mor1-1 and mor1-2 mutant ...
... the proper organization of microtubules in expanding cells. The Arabidopsis MICROTUBULE ORGANIZATION1 (MOR1) gene encodes a protein that is homologous to structural microtubule-associated proteins (MAPs) of the highly conserved MAP215 class [9]. Shifting temperaturesensitive mor1-1 and mor1-2 mutant ...
An 83 kDa 0-GlcNAc-Glycoprotein Is Found in the Axoplasm and
... alongaxonsin the CNS ofA&iu culifornicu (Gabel et al., 1989) and also at growth cones of Aplysia neurons growing in vitro (Ambron et al., 1989). These were the first descriptions of 0-GlcNAc-containing glycoproteins in the nervous system,but neither the number of glycoproteins nor their intracellula ...
... alongaxonsin the CNS ofA&iu culifornicu (Gabel et al., 1989) and also at growth cones of Aplysia neurons growing in vitro (Ambron et al., 1989). These were the first descriptions of 0-GlcNAc-containing glycoproteins in the nervous system,but neither the number of glycoproteins nor their intracellula ...
Lineage Commitment During T cell Development
... Expressed in DN cell and heterodimerizes with a functional b chain - assists in quality control for b chain rearrangement The pre-Ta/b chain dimer promotes increased CD3 expression and induces a ligandindependent signal, perhaps because of constitutive localization to lipid rafts or constitutive dim ...
... Expressed in DN cell and heterodimerizes with a functional b chain - assists in quality control for b chain rearrangement The pre-Ta/b chain dimer promotes increased CD3 expression and induces a ligandindependent signal, perhaps because of constitutive localization to lipid rafts or constitutive dim ...
Optical and Acoustic Detection of Laser
... • Photodisruption through the entire thickness of human scleral tissue for ophthalmic surgery applications. • Not optically transparent • Ultrasonic microscopy can clearly detect the microbubbles through the thickness ...
... • Photodisruption through the entire thickness of human scleral tissue for ophthalmic surgery applications. • Not optically transparent • Ultrasonic microscopy can clearly detect the microbubbles through the thickness ...
Chapter 13 - Fission Yeast TOR and Rapamycin
... (or spores) that can better maintain viability for long periods and/or under harsh conditions, compared with vegetative growing cells. Entrance into sexual development requires the presence of the two opposite matingtype cells, hþ and h, which can mate to form zygotes that subsequently undergo meio ...
... (or spores) that can better maintain viability for long periods and/or under harsh conditions, compared with vegetative growing cells. Entrance into sexual development requires the presence of the two opposite matingtype cells, hþ and h, which can mate to form zygotes that subsequently undergo meio ...
THINK ABOUT IT
... Despite their simplicity, prokaryotes grow, reproduce, and respond to the environment, and some can even move by gliding along surfaces or swimming through liquids. ...
... Despite their simplicity, prokaryotes grow, reproduce, and respond to the environment, and some can even move by gliding along surfaces or swimming through liquids. ...
Measuring Electrical and Mechanical Properties of Red Blood Cells
... walls. We obtained, after careful measurement of the parameters involved, a plot of the optical versus hydrodynamic force as a straight line at 45 degrees. Among the parameters used by the models the laser power measurement has been the most difficult to obtain, because the usual power meters readi ...
... walls. We obtained, after careful measurement of the parameters involved, a plot of the optical versus hydrodynamic force as a straight line at 45 degrees. Among the parameters used by the models the laser power measurement has been the most difficult to obtain, because the usual power meters readi ...
1. Small Scale Expression of Tagged Recombinant Proteins
... gently to ensure that the cells are evenly suspended. Transform also with empty vector. 2. Add 1 μl of the DNA solution directly to the cells. Stir gently to mix. 3. Place the tubes on ice for 5 min. 4. Heat the tubes for exactly 30 s in a 42°C water bath; do not shake. 5. Place on ice for 2 min. 6. ...
... gently to ensure that the cells are evenly suspended. Transform also with empty vector. 2. Add 1 μl of the DNA solution directly to the cells. Stir gently to mix. 3. Place the tubes on ice for 5 min. 4. Heat the tubes for exactly 30 s in a 42°C water bath; do not shake. 5. Place on ice for 2 min. 6. ...
Document
... • Osmolarity: The measure of total concentration of solute particles • When solutions of different osmolarity are separated by a membrane, osmosis occurs until equilibrium is reached ...
... • Osmolarity: The measure of total concentration of solute particles • When solutions of different osmolarity are separated by a membrane, osmosis occurs until equilibrium is reached ...
Direct Visualization by Cryo-EM of the Mycobacterial Capsular
... close to native-state by the plunge freezing method [18] for direct visualization by EM (Figure 1). This method does not rely on the use of cryoprotectants and allows intact cells to be frozen in their medium of culture. The Gram-negative bacterium S. flexneri was used as a control (Figure 1A). When ...
... close to native-state by the plunge freezing method [18] for direct visualization by EM (Figure 1). This method does not rely on the use of cryoprotectants and allows intact cells to be frozen in their medium of culture. The Gram-negative bacterium S. flexneri was used as a control (Figure 1A). When ...
Galluzzi et al., 2007. Cell Death and Differentition 14:1237-1266
... and karyorhexis (nuclear fragmentation).1 Apoptotic cells finally form small round bodies that are surrounded by membranes and contain intact cytoplasmic organelles or fragments of the nucleus. These apoptotic bodies result from progressive cellular condensation and budding, and eventually are engul ...
... and karyorhexis (nuclear fragmentation).1 Apoptotic cells finally form small round bodies that are surrounded by membranes and contain intact cytoplasmic organelles or fragments of the nucleus. These apoptotic bodies result from progressive cellular condensation and budding, and eventually are engul ...
Mesenchymal Stem Cells: Current Clinical Applications and
... MSCs. Furthermore, MSCs can be harvested from fetal origin such as placenta [11], amniotic fluid [12], umbilical cord Wharton’s jelly [13] and umbilical cord blood [14]. To date, native location or stem cell niche which MSCs reside is still unclear. In bone marrow, it is well known that MSCs play a ...
... MSCs. Furthermore, MSCs can be harvested from fetal origin such as placenta [11], amniotic fluid [12], umbilical cord Wharton’s jelly [13] and umbilical cord blood [14]. To date, native location or stem cell niche which MSCs reside is still unclear. In bone marrow, it is well known that MSCs play a ...
View PDF - G3: Genes | Genomes | Genetics
... Figure 2 Cells do not require growth in acetatecontaining medium prior to induction of synchronous sporulation. (A) Flowchart for inducing synchronous sporulation. Diploid pCUP-IME1/pCUP-IME4 (FW1810) cells were grown to exponential phase for 6–7 hr in YPD. Cells were subsequently diluted to YPD me ...
... Figure 2 Cells do not require growth in acetatecontaining medium prior to induction of synchronous sporulation. (A) Flowchart for inducing synchronous sporulation. Diploid pCUP-IME1/pCUP-IME4 (FW1810) cells were grown to exponential phase for 6–7 hr in YPD. Cells were subsequently diluted to YPD me ...
Genomewide Analysis of PRC1 and PRC2 Occupancy Identifies
... epigenetic regulation of gene expression during development. PcG proteins are repressors that catalyze lysine 27 tri-methylation on histone H3. They are antagonized by trithorax-group proteins that catalyze lysine 4 tri-methylation. Recent studies of ES cells revealed a novel chromatin pattern consi ...
... epigenetic regulation of gene expression during development. PcG proteins are repressors that catalyze lysine 27 tri-methylation on histone H3. They are antagonized by trithorax-group proteins that catalyze lysine 4 tri-methylation. Recent studies of ES cells revealed a novel chromatin pattern consi ...
Laboratory 11 - Department of Environmental Sciences
... being reduced (electron acceptor) while keeping them physically separated. In this way bacteria act as batteries and develop an electrical gradient (potential) that they use to do work (ATP synthesis, transport, motility etc.). By mediating these electrochemical reactions, bacteria modify their exte ...
... being reduced (electron acceptor) while keeping them physically separated. In this way bacteria act as batteries and develop an electrical gradient (potential) that they use to do work (ATP synthesis, transport, motility etc.). By mediating these electrochemical reactions, bacteria modify their exte ...